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LH1549AB Datasheet

  • LH1549AB

  • 1 Form A Phototransistor Telecomswitch

  • 140.00KB

  • 5頁

  • VISHAY   VISHAY

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LH1549AB/ AAC/ AACTR
Vishay Semiconductors
1 Form A Phototransistor Telecomswitch
DIP
SMD
Features
鈥?Solid State Relay
- 1 Form A (LH1525 Type)
- Current-limit Protection
- Clean, Bounce-free Switching
- Low Power Consumption
鈥?Solid State Relay and an Autopolarity Optocoupler
in a Single Package
鈥?Optocoupler
- Bidirectional Current Detection
鈥?Surface Mountable
鈥?I/O Isolation Voltage, 5300 V
RMS
鈥?Lead-free component
鈥?Component in accordance to RoHS 2002/95/EC
and WEEE 2002/96/EC
S
8
S1
S'
S'
7
6
5
1
i179049
2
3
4
e3
Description
Pb
Pb-free
Agency Approvals
鈥?UL1577, File No. E52744 System Code H or J,
Double Protection
鈥?CSA - Certification 093751
鈥?BSI/BABT Cert. No. 7980
鈥?FIMKO Approval
Applications
General Telecom Switching
- On/off-hook Control
- Dial Pulse
- Ring-current Detection
- Loop-current sensing
A Telecom Switch consists of an optically isolated,
SPST solid-state relay (SSR) and a bidirectional input
optocoupler in a single package. The SSR is ideal for
performing switch hook and dial-pulse switching while
the optocoupler performs ring detect and loop current
sensing functions.
The SSR is integrated on a monolithic receptor die. It
features low ON-resistance, high breakdown voltage,
and current-limit circuitry that protects the relay from
telephone line induced lightning surges.
The optocoupler provides bidirectional current sens-
ing via two anti parallel GaAIAs infrared emitting
diodes. The optocoupler provides a minimum current
transfer ratio (CTR) of 33 %.
Order Information
Part
LH1549AB
LH1549AAC
LH1549AACTR
Tubes, DIP-8
Gullwing, Tubes, SMD-8
Gullwing, Tape and Reel, SMD-8
Remarks
Document Number 83840
Rev. 1.3, 26-Oct-03
www.vishay.com
1

LH1549AB 產(chǎn)品屬性

  • Vishay

  • 固態(tài)繼電器

  • PCB Mount

  • Through Hole

  • 400 V

  • 0.12 A

  • 1 Form A (SPST-NO)

  • MOSFET

  • PDIP-8

  • + 85 C

  • - 40 C

  • AC, DC

  • Tube

  • Solid State

  • 2000

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